diff --git a/app/components/ecosystem/network-graph.tsx b/app/components/ecosystem/network-graph.tsx
index 88c3a71..aa133d2 100644
--- a/app/components/ecosystem/network-graph.tsx
+++ b/app/components/ecosystem/network-graph.tsx
@@ -102,7 +102,7 @@ export function NetworkGraph({ onNodeClick }: NetworkGraphProps) {
         // Create center node
         const centerNode: Node = {
           id: "center",
-          label: "", //مرکز زیست بوم
+          label: "پتروشیمی بندر امام", //مرکز زیست بوم
           category: "center",
           stageid: 0,
           isCenter: true,
diff --git a/package.json b/package.json
index 1383822..495ac99 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "type": "module",
   "scripts": {
     "build": "react-router build",
-    "dev": "react-router dev",
+    "dev": "react-router dev --port 3000",
     "start": "react-router-serve ./build/server/index.js",
     "typecheck": "react-router typegen && tsc"
   },